Let's use a true measuring stick
Porsche Cayenne Turbo S
550 hp @ 6,000 rpm0-60 mph: 4.7 sTop Track Speed: 174 mph MSRP $ 124,800.00
Porsche Cayenne Turbo
500 hp @ 6,000 rpm0-60 mph: 4.9 sTop Track Speed: 171 mph MSRP $ 98,700.00
So I thinking 10 percent less of the base (non S) for BMW ///M X
I can't wait!